# POLQ 2 | Lesson 1 | Try This! (Special Patterns) Solutions

1. $$x^2-4x+4$$
2. $$x^2+6x+9$$
3. $$a^2+2ab+b^2$$

1. $$a^2-2ab+b^2$$
2. $$x^3-8$$
3. $$x^3+27$$
4. $$a^3+b^3$$
5. $$a^3-b^3$$

Sum and difference of two cubes